CVE-2025-1853
CVE-2025-1853 is a high-severity vulnerability in Tenda Ac8 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-5817
- Weakness: CWE-119
- Affected product: Tenda Ac8 Firmware
- Published:
- Last modified:
Description
A vulnerability was found in Tenda AC8 16.03.34.06 and classified as critical. This issue affects the function sub_49E098 of the file /goform/SetIpMacBind of the component Parameter Handler. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Frequently asked questions
- What is CVE-2025-1853?
- A vulnerability was found in Tenda AC8 16.03.34.06 and classified as critical. This issue affects the function sub_49E098 of the file /goform/SetIpMacBind of the component Parameter Handler. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
- How severe is CVE-2025-1853?
- CVE-2025-1853 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-1853 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-1853?
- CVE-2025-1853 affects Tenda Ac8 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-1853?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-1853 have an EU (EUVD) identifier?
- Yes. CVE-2025-1853 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5817.
- When was CVE-2025-1853 published?
- CVE-2025-1853 was published on 2025-03-03 and last updated on 2026-06-17.
References
- https://github.com/Raining-101/IOT_cve/blob/main/tenda-ac8_sub_49E098.md
- https://vuldb.com/?ctiid.298121
- https://vuldb.com/?id.298121
- https://vuldb.com/?submit.505374
- https://www.tenda.com.cn/
Affected products (1)
- cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:*
More vulnerabilities in Tenda Ac8 Firmware
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- CVE-2026-4252 — Critical (CVSS 9.8): A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the…
- CVE-2025-29100 — Critical (CVSS 9.8): Tenda AC8 V16.03.34.06 is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the parameter list.
- CVE-2025-25668 — Critical (CVSS 9.8): Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the shareSpeed parameter in the sub_47D878…
- CVE-2025-25667 — Critical (CVSS 9.8): Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the urls parameter in the function…
- CVE-2025-25664 — Critical (CVSS 9.8): Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the shareSpeed parameter in the sub_49E098…
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